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3e4bc82aa8
SE-390 concluded with choosing the keyword discard rather than forget for the statement that disables the deinit of a noncopyable type. This commit adds parsing support for `discard self` and adds a deprecation warning for `_forget self`. rdar://108859077
76 lines
1.4 KiB
Swift
76 lines
1.4 KiB
Swift
// RUN: %swift-frontend -dump-parse -verify %s > /dev/null
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func discard<T>(_ t: T) {}
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func a() {
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discard case // expected-error {{'case' label can only appear inside a 'switch' statement}}
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// expected-error@-1 {{consecutive statements on a line must be separated by ';'}}
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}
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func b() {
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discard 124 // expected-error {{consecutive statements on a line must be separated by ';'}}
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}
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func c() {
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discard where 5 == 0 // expected-error {{expected expression}}
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// expected-error@-1 {{consecutive statements on a line must be separated by ';'}}
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}
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func c() {
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// sticking a let here to ensure the parser is treating this like an expr.
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let _ = discard ++ something
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}
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func c() {
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let _ = discard self // expected-error {{consecutive statements on a line must be separated by ';'}}
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}
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func c() {
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discard Self
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}
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func c() {
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discard self
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}
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func c() {
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discard `self`
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}
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func c() {
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discard switch // expected-error {{expected expression in 'switch' statement}}
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// expected-error@-1 {{consecutive statements on a line must be separated by ';'}}
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}
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func c() {
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discard SarahMarshall
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}
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func c() {
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discard x.y.z
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}
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func c() {
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discard discard self // expected-error {{consecutive statements on a line must be separated by ';'}}
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}
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class discard {
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func discard() {
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discard discard(self)
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let _ = discard()
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let _ = discard{
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discard {
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discard itALL
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}
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}
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}
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var x: Int {
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get {
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discard self.x()
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}
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}
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}
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